You can list just about anything online but... should you? Well, that depends. Do you want to surprise everyone on the internet? Have people question your sanity? Maybe even receive a few prank calls? Then go ahead. Put those used dental prosthetics on sale. Make that tennis ball chair work for you.
But if you aren't that much of an opportunist, I suggest you join the other side, (silently) judging them. There's a subreddit called r/WTFgaragesale, and it features all the funny, weird, creepy, and downright disgusting things people are trying to sell both in real life and online. Here's a collection of pics the sub has from the latter.
#1 Harry Potter Teeth, Mmmmmmm
Image credits: cat-cultist
#2 Only Once
Image credits: kaijudiet
#3 Dead *ss Tree
Image credits: HypnoticGremlin
#4 We Love Facebook Marketplace
Image credits: milksprink
#5 My Fiancée Sent This To Me And I Couldn’t Help But Feel It Belonged Here
Image credits: LordFortinbraap
#6 Y Tho
Image credits: Bigham1745
#7 If He Has Buyers, I Am In The Wrong Business
Image credits: JustincredibleGames
#8 Why Do People Say "Brand New" When It's Clearly Not?
Image credits: anticlockclock
#9 There Are No Words
Image credits: imnotaraboon
#10 You've Got A Friend In Me
Image credits: FizzyOperator
#11 Teeth In Great Shape
Image credits: hotmama1230
#12 Helloooo, Officer!
Image credits: Radicchio3
#13 KFC Zinger
Image credits: NotPengu1
#14 $20 For Old Doll Head Found While Hiking
Image credits: mamahertz
#15 I Hope This Is Satire But I Truly Don’t Know ...
Image credits: TeaPartyInTheGarden
#16 Mmmhhhmmm Premium
Image credits: TheSlimReaper99
#17 I Check Offerup For Chairs Every Few Days....
Image credits: shaunmittens
#18 I Mean.. Someone Is Gonna Like It, Right?
Image credits: mandamaeee
#19 Hot Dog Statue - Two Lovers Holding Hands. Can Also Be "Personally Ordered With Any Customizations Wanted (Mini Hotdog Babies, Pregnant Hotdog, Rockstar Hotdog, Etc)"
Image credits: Fitzpleasure_
#20 For When You're Lonely
Image credits: nigwarbean
#21 The Vodka Bottle Full Of Cigarette Ashes I Posted Here About 2 Years Ago Is Still Up, And The Price Was Dropped By A Whopping $4.76. What The Hell
Image credits: mrgameandwatch09
#22 My Dream Of Being An Artist Is Alive
Image credits: Yanikeka
#23 Umm I Don't Think This Is Apple Official
Image credits: C-Lord96
#24 Today On Fb Market Place
Image credits: Rosebudd100
#25 Is It Weird That I Actually Kinda Want This?
Image credits: Usernameusername97
#26 Not A Garage Sale But I Thought You Might Enjoy
Image credits: Tears4Tacos
#27 How To Avoid Awkwardly Asking Someone To Take Their Shoes Off At Your Door.. Sold!
Image credits: grandtheftsu
#28 The Things You Find At Government Surplus Auctions... Birthing Simulator
Image credits: OhLookASquirrel
#29 Facebook Marketplace Is A Gold Mine. This Lovely Is $200
Image credits: Wienerwrld
#30 Todd
Image credits: reddit.com
#31 How To Properly Sell Firewood In Kentucky
Image credits: awakenedfloof
#32 Woman Makes Her Regretful Husband Model Her Handmade Ponchos. Hilarious
Image credits: fckmarrykillme
#33 Eat Your Heart Out, Kirk Cameron
Image credits: BringBackTheNinties
#34 “No Lowballers”
Image credits: woweewow
#35 This Couch Is Awful Taste And You Cannot Change My Mind
Image credits: pm_me__your_drama
#36 I Found This On A Facebook Page Where People Sell 4 Wheel Drive Vehicles
Image credits: blowmine62
#37 Cicada Shell Wreath
Image credits: acidundead
#38 Poor Memaw
Image credits: EmptySighs66x
#39 Creepiest Car Seat Ever
Image credits: Rosebudd100
#40 All Hail Titty Frog
Image credits: uni-piggy
#41 Croc Balls
Image credits: thecharizard
#42 Tbh It’s So Well-Made I Kinda Want It, But It Freaks Me Out
Image credits: woweewow
#43 He Haunts You
Image credits: the-graveyard-writer
#44 Man, I Don’t Know
Image credits: woweewow
#45 Just What I Needed To Complete My Bathroom Aesthetic
Image credits: tempura_medic
#46 Found This Gem In Free Pile Outside My Work
Image credits: mrhasselblad
#47 The Perfect Bed To Preserve Virginity!
Image credits: Foxien
#48 Just In Case Anyone Is In The Market For A 5-Foot Squirrel
Image credits: iamDB_Cooper
#49 You Know— For Kids
Image credits: woweewow
#50 Free Hanted Rooster Has Demon
Image credits: vodkawater
#51 The Definition Of This Sub
Image credits: butteredbuttbiscuit
#52 The Description Stated: “Low Carb Option For Hotdog”
Image credits: idkhamster
#53 Is She Being Held Hostage As An Ebay Model?
Image credits: ke11y24
#54 For The Classicist Who Needs To Charge Three Phones And A Tablet
Image credits: shakyshake
#55 Jesus, That Is Bad
Image credits: silentwail
#56 Someone Found This Book At A Thrift Store. It Sure Didn’t Age Well
Image credits: Labyrinth2_0
#57 Horrifying/Educational Vhs Tape Found At Goodwill
Image credits: Raptor-Facts
#58 He Now Lives In Our Livingroom. And Yes, My Fiancé Thinks I'm A Jackass For Buying It
Image credits: hereforthekix
#59 I'd Have To Be Baked To Buy This
Image credits: WhyIsTheMoonThere
#60 No Thank You
Image credits: sammyjoeturd
#61 Unused Bachelors In Criminal Justice
Image credits: trayc38
#62 The Seller Seems Just As Confused As I Am
Image credits: Hubcap_Man
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